/* this belongs to the WebRaveler package */
package webraveler.vurl;

import java.util.*;


import webraveler.http.HTTPRequest;
import webraveler.http.HTTPResponse;
import webraveler.ravel.Raveler;
import webraveler.ravel.RavelerException;
import webraveler.ravel.RavelerUser;
/**
 * Logs a user out of Web Raveler
 *
 * @author The Web Raveler Development Squad
 * @version 1.0
 */
public class LogoutVURL implements VURL {

	
	
	/**
	 *
	 */
	public LogoutVURL () {
	 
	} // LogoutVURL()
	
	
	/**
	 * Logs the given user out of Web Raveler and saves their preferences
	 */
	public synchronized HTTPResponse resolveVURL(String username, String query, HTTPRequest request, Raveler ravel) {
		String response = new String("");
		response += "<html><head>" + Raveler.ravelerCSS;
		response += "<title>WebRaveler2 Rules!</title></head><body>";
		RavelerUser user = new RavelerUser();
		try {
			user = ravel.getUser(username);
			response += "<p class='level1'>Bye, "+username+"! Come back soon!</p>";
			//ravel.realmCount++;
			user.isLoggedIn = false;
			user.savePreferences();
		} catch (RavelerException re) {
			response += "<p class='level1'>"+re.getMessage()+"</p>";
		} //catch
		response += "</body></html>";
		return new HTTPResponse("HTTP/1.0",200,"OK",response.getBytes(),new Hashtable());
	} // resolveVURL
} // class LogoutVURL